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Supervision and control of grid connected PV-Storage systems with the five level diode clamped inverter

机译：五电平二极管钳位逆变器对并网光伏存储系统的监控

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This paper aimed to evaluate the use of photovoltaic-battery storage systems to supply electric power in the distribution grid through a multilevel inverter. The proposed system is composed by four PV generators with MPPT (P&O) control, four battery storage systems connected to each capacitor of the DC link and a five level diode clamped inverter connected to the grid by a traditional three phase transformer. The proposed control has a hierarchical structure with both a grid side control level to regulate the power and the current injected to the grid and four input side regulation units. The system operator controls the power production of the four PV generators by sending out reference power signals to each input side regulation unit, the input side regulation units regulate the voltage of each capacitor of the DC link, regulate the voltage and the state of charge of each battery storage system.
机译：本文旨在评估光伏电池存储系统通过多级逆变器为配电网供电的用途。拟议的系统由四个具有MPPT（P＆O）控制的PV发电机，四个连接到直流链路的每个电容器的电池存储系统以及一个通过传统的三相变压器连接到电网的五电平二极管钳位逆变器组成。所提出的控制具有分层结构，该结构具有用于调节注入电网的功率和电流的电网侧控制级别以及四个输入侧调节单元。系统操作员通过将参考功率信号发送到每个输入侧调节单元来控制四个PV发电机的发电，输入侧调节单元调节DC链路的每个电容器的电压，调节电压和充电状态。每个电池存储系统。

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